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Available-for-Sale-Securities - Schedule of Available-for-Sale Securities Reconciliation (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Debt Securities, Available-for-sale [Line Items] |  |
Cost | $ 51,086 | $ 64,758
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses | (17) | (18)
Estimated Fair Value | 51,069 | 64,740
Corporate debt securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Cost | 28,828 | 44,308
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses | (16) | (17)
Estimated Fair Value | 28,812 | 44,291
Commercial paper |  |
Debt Securities, Available-for-sale [Line Items] |  |
Cost | 1,978 | 7,953
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses | 0 | 0
Estimated Fair Value | 1,978 | 7,953
Money market funds |  |
Debt Securities, Available-for-sale [Line Items] |  |
Cost | 13,572 | 4,871
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses | 0 | 0
Estimated Fair Value | 13,572 | 4,871
Agency bonds |  |
Debt Securities, Available-for-sale [Line Items] |  |
Cost | 1,987 | 0
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses | (1) | 0
Estimated Fair Value | 1,986 | 0
Treasury bills |  |
Debt Securities, Available-for-sale [Line Items] |  |
Cost | 3,996 | 0
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses | 0 | 0
Estimated Fair Value | 3,996 | 0
Municipal debt securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Cost | 725 | 7,626
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses | 0 | (1)
Estimated Fair Value | $ 725 | $ 7,625

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- Definition Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-2 + Details
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- Definition Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-2 + Details
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